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极地环境保护
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极地环境保护
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polar environmental protection
极地环境保护
为保护南北极环境和生态系统、合理利用南北极自然资源、防止极地环境的污染和破坏、维护南北极海洋生态系统安全而采取的各项行政、法律、经济、科学技术等措施。
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prime component
prime constant
prime constellation
prime counting formula
prime counting function
prime cycle
prime decomposition
prime decomposition of ideals
prime degree
prime difference function
prime differential ideal
prime Diophantine equations
prime distance
prime-distance graph
prime divisor
primed quantity
prime dual ideal
prime element
prime ends
prime factor
prime factorization
prime factorization algorithms
prime factor ring
prime farmland protection
prime field
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